Home / 2,862.45-4,294.37-914.66

Finding the Fourth Proportional to 2,862.45, 4,294.37 and 914.66

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Solution

The fourth proportional to 2,862.45, 4,294.37 and 914.66 is: 1,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.45 : 4,294.37 = 914.66 : x
  2. Step 2: Convert to fraction form
    2,862.45/4,294.37 = 914.66/x
  3. Step 3: Cross multiply
    2,862.45x = 4,294.37 × 914.66
  4. Step 4: Simplify right side
    2,862.45x = 3,927,862.42
  5. Step 5: Solve for x
    x = 3,927,862.42/2,862.45
  6. Step 6: Final answer
    x = 1,372.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.